El-Chem Corporation

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Cascade, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Water and oil repellent metal oxide-organic combination coating sys...
- Patent number 4,525,425
- Issue date Jun 25, 1985
- El-Chem Corporation
- Peter K. Church
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Rechargeable electrical storage battery with zinc anode and aqueous...
- Patent number 4,372,823
- Issue date Feb 8, 1983
- El-Chem Corporation
- Peter K. Church
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rechargeable electrical storage battery with zinc anode and aqueous...
- Patent number 4,307,164
- Issue date Dec 22, 1981
- El-Chem Corporation
- Peter K. Church
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rechargeable electrical storage battery with zinc anode and aqueous...
- Patent number 4,207,391
- Issue date Jun 10, 1980
- El-Chem Corporation
- Peter K. Church
- H01 - BASIC ELECTRIC ELEMENTS